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Addition and Subtraction of Algebraic Expression

State True or...

Question

State True or False:
Addition of $13 a b - 9 c d - x y, 15 c d - 7 a b, 6 x y - 3 c d$ is $6 a b + 3 c d + 5 x y$ .

A

True

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B

False

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Solution

The correct option is A True
$W e c a n d i r e c t l y a d d t h e c o e f f i c i e n t s o f l i k e v a r i a b l e s, ⟹ (13 - 7) a b + (- 9 + 15 - 3) c + (- 1 + 6) = 6 a b + 3 c d + 5 x y$

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